Novel coal seam water seepage and drainage device

• Main Authors: SHI GUOQIANG, WANG HUAN
• Format: Patent
• Language: Chinese; English
• Published: 06.09.2022
• Subjects: EARTH DRILLING; FIXED CONSTRUCTIONS; MINING; PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, ORDRAINING IN OR OF MINES OR TUNNELS; SEPARATION; TRANSPORTING

The novel coal seam water seepage and drainage device comprises a first water inlet pipe, first installation blocks are fixedly arranged at the two ends of one side of the outer wall of the first water inlet pipe, a lead screw is arranged on one side of one first installation block in a penetrating...